Ulnar deviation

Trendelenburg Test is a medical examination procedure used to evaluate the strength and function of the hip abductors, particularly the gluteus medius. It is named after the German surgeon Friedrich Trendelenburg.

Overview

The Trendelenburg Test is a physical examination procedure that is used to identify weakness or instability in the hip abductors, which are the muscles responsible for moving the leg away from the midline of the body. This test is often used in the diagnosis of various musculoskeletal and neurological conditions.

Procedure

The procedure for the Trendelenburg Test involves the patient standing on one leg while the examiner observes for any dropping of the hip on the non-weight bearing side. If the hip drops, this is known as a positive Trendelenburg sign, indicating weakness or instability in the hip abductors on the weight-bearing side.

Clinical Significance

A positive Trendelenburg sign can be indicative of several medical conditions, including hip dysplasia, muscular dystrophy, and damage to the superior gluteal nerve. It is also commonly seen in patients with hip osteoarthritis and hip joint dislocation.

Limitations

While the Trendelenburg Test is a useful tool in the diagnosis of hip abductor weakness, it is not without its limitations. The test has been criticized for its lack of specificity, as a positive result can be seen in a number of different conditions. Additionally, the test may not be suitable for patients with severe pain or limited mobility.

See Also

• Hip dysplasia
• Muscular dystrophy
• Hip osteoarthritis
• Hip joint dislocation

References

Ulnar deviation Resources
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